Suggested Retail:$30. Odoland Doorway Pull Up and Chin Up Bar, No Screws Upper Body Workout Pull Up Bar for Home Gym Exercise Fitness, Adjustable Width of 33''-51''.. NO SCREWS INSTALLATION: Just 3 simple steps for no screws no tools setting! First rotate the bar for stretching until it reaches the wall. Then rotate the middle bar in 360 degree for tighten. Last lock the screws on both side of bar. No need drilling design, no holes on your door and wall! SAFETY GUARANTEE: 3 types of locking mechanism for best protection! I. Two anti-slid PVC wedges on both sides firmly stick on your door/wall to protect the frame from cracking (Just ensure that the mounting surface is solid.). II. Featured a lock mechanism, the bar prevents from loosening and spinning when you are doing pulling up. III. The Triangle Force design makes that the more weight the doorway chin-up bars withstand, the sturdier it is. USE IT AT ANYWHERE: No screws installation allows you easily mounted at different heights and locations for each workout. You can set it up to door, passageway, narrow wall. It works perfectly at home, garage or the office. ADJUSTABLE WIDTH: This pull up bar is adjustable to fit standard doorways or solid wall from 33-51 inches/83-129cm. Holds up to 440 lbs when mounted properly.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.